good to have you with us. bill: nice to see you, martha, on a friday, i'm bill hemmer, good morning, everybody, home to the major hurdle on the road to the oval office, iowa and the caucus out there, considered a key target for every white house hopeful. and today new questions about sarah palin's vision of 2012. martha: that's right, carl cameron is live in des moines, iowa, for the big event, carl, she has been cautious about discussing a presidential 2012 run. you have spoken with her recently, what do you know? >> reporter: welt, you said it, she's a fox news contributor, the former governor of alaska, most importantly, she was the 2008 vice presidential nominee on john mccain's ticket. and, whenever sarah palin, best-selling book author, probably the best known face of the tea party in the country, whenever sarah palin, that sarah palin, sets foot in iowa, home of the first caucus, she is a potential candidate for the presidency of 2012, until she gives us a shermanesque statement to the contrary and this